Portable floor display stand



FIG. 1 is a perspective view of the portable floor display stand showing my new design;

FIG. 2 is a right side elevational view, the rear and left side views being identical thereto;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a portable floor display stand, as shown and described. 